142 lines
3.7 KiB
Nix
142 lines
3.7 KiB
Nix
{ config, lib, pkgs, utils, ... }:
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let
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cfg = config.virtualisation.containers;
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inherit (lib) literalExpression mkOption types;
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toml = pkgs.formats.toml { };
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in
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{
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meta = {
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maintainers = [ ] ++ lib.teams.podman.members;
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};
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options.virtualisation.containers = {
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enable =
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mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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This option enables the common /etc/containers configuration module.
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'';
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};
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ociSeccompBpfHook.enable = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc "Enable the OCI seccomp BPF hook";
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};
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containersConf.settings = mkOption {
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type = toml.type;
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default = { };
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description = lib.mdDoc "containers.conf configuration";
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};
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containersConf.cniPlugins = mkOption {
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type = types.listOf types.package;
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defaultText = literalExpression ''
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[
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pkgs.cni-plugins
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]
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'';
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example = literalExpression ''
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[
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pkgs.cniPlugins.dnsname
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]
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'';
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description = lib.mdDoc ''
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CNI plugins to install on the system.
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'';
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};
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storage.settings = mkOption {
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type = toml.type;
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default = {
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storage = {
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driver = "overlay";
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graphroot = "/var/lib/containers/storage";
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runroot = "/run/containers/storage";
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};
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};
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description = lib.mdDoc "storage.conf configuration";
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};
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registries = {
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search = mkOption {
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type = types.listOf types.str;
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default = [ "docker.io" "quay.io" ];
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description = lib.mdDoc ''
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List of repositories to search.
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'';
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};
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insecure = mkOption {
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default = [ ];
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type = types.listOf types.str;
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description = lib.mdDoc ''
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List of insecure repositories.
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'';
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};
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block = mkOption {
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default = [ ];
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type = types.listOf types.str;
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description = lib.mdDoc ''
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List of blocked repositories.
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'';
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};
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};
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policy = mkOption {
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default = { };
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type = types.attrs;
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example = literalExpression ''
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{
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default = [ { type = "insecureAcceptAnything"; } ];
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transports = {
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docker-daemon = {
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"" = [ { type = "insecureAcceptAnything"; } ];
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};
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};
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}
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'';
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description = lib.mdDoc ''
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Signature verification policy file.
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If this option is empty the default policy file from
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`skopeo` will be used.
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'';
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};
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};
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config = lib.mkIf cfg.enable {
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virtualisation.containers.containersConf.cniPlugins = [ pkgs.cni-plugins ];
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virtualisation.containers.containersConf.settings = {
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network.cni_plugin_dirs = map (p: "${lib.getBin p}/bin") cfg.containersConf.cniPlugins;
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engine = {
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init_path = "${pkgs.catatonit}/bin/catatonit";
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} // lib.optionalAttrs cfg.ociSeccompBpfHook.enable {
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hooks_dir = [ config.boot.kernelPackages.oci-seccomp-bpf-hook ];
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};
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};
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environment.etc."containers/containers.conf".source =
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toml.generate "containers.conf" cfg.containersConf.settings;
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environment.etc."containers/storage.conf".source =
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toml.generate "storage.conf" cfg.storage.settings;
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environment.etc."containers/registries.conf".source = toml.generate "registries.conf" {
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registries = lib.mapAttrs (n: v: { registries = v; }) cfg.registries;
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};
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environment.etc."containers/policy.json".source =
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if cfg.policy != { } then pkgs.writeText "policy.json" (builtins.toJSON cfg.policy)
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else utils.copyFile "${pkgs.skopeo.src}/default-policy.json";
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};
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}
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